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How is the 90-degree peel test performed?
A standard 90-degree peel test involves four main steps:
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What is lap shear testing under compression?
Lap shear testing under compressive load is a mechanical test used to determine the strength of adhesive joints subjected to shear forces while under compressive stress.
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Equipment and tools for pull-off and pull-out testing
Accurate and repeatable testing depends on precision equipment and well-designed fixtures. Key components include:
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What is texture testing?
Texture testing is the instrumental measurement of a product’s physical response to an applied force.
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How is the 135° peel test performed?
Specimen preparation
Test specimens are usually strips cut from the sealed edge of a tray or container.
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Standards for texture compression testing
ISO 16305 - Butter firmness
Specifies a method for determining butter firmness under controlled conditions.
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Custom-fit material testing services
Tailored fixtures and adaptations
Accurate testing often depends on the right fixture design.
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Methods and applications
Common test methods
Most single lap shear tests are carried out under tensile loading, but the method can vary depending on material type, bond configuration and industry require
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Case studies and examples
In timber engineering, laminated beam testing revealed that one adhesive consistently produced substrate failures, showing a stronger bond than the timber itself.
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Frequently asked questions
How do I select the right fixture for my material?
Fixture selection depends on specimen dimensions, material type, and the relevant standard.
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What is fastening torque
Fastening torque refers to the rotational force applied to tighten a fastener, typically measured in Newton-metres (N·m) or pound-force inches (lbf·in). The correct torque value ensures adequate clamping without overstressing components.
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Applications of bursting strength testing
Ball burst testing is routinely used across sectors where material failure under localised stress poses a risk to performance or safety. Common application areas include:
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Key standards in material testing
Accurate and comparable elongation and recovery data relies on testing in accordance with internationally recognised standards. These define specimen preparation, test speeds, measurement methods, and calculation processes.
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Common challenges in packaging testing
Real-world conditions can introduce challenges to test accuracy. These include:
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Applications of loop tack testing
Packaging
Checks resealable closures, tamper-evident labels, and PSA seals to ensure adequate instant tack for both production and consumer use.
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Types of compressive shear tests
Test configurations vary according to the material, application, and relevant industry standard.
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CCT compared to ECT and FCT
CCT - Material-level test, used to assess raw medium quality before conversion into board
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Why choose Mecmesin torque testing equipment
From manual testers to automated systems
Mecmesin offers a wide range of torque testing solutions suitable for R&D, quality assurance, and full-scale production.
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Equipment and procedures
A flat crush tester comprises two smooth, parallel platens, one fixed and one moving under controlled load application. The conditioned specimen is placed between the platens with flutes oriented vertically.
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Types of torque testing methods
Manual torque testing
Manual torque testing uses handheld or bench-mounted torque testers.
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Technological advancements
Modern Mecmesin systems combine motorised precision with advanced software control.
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Selecting the right running torque testing solution
When specifying a running torque test system, engineers should consider:
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Introduction to yield point testing
Yield point testing is essential for understanding the mechanical behaviour of materials.